Charging Control Device and Charging Control Method
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Sep 29, 2011
filing date -
Sep 29, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A charging control device includes a chopper circuit, a primary side coil, a primary side inverter circuit, and a control unit. A charged device includes a secondary side coil, and a secondary side rectifier circuit that is configured to be connectable to a storage cell. The control unit samples a secondary side signal at a second cycle, samples a primary side signal at a first cycle shorter than the second cycle, estimates the secondary side signal at a timing of the primary side signal sampled this time, based on the secondary side signal, the primary side signal obtained when the secondary side signal is sampled, and the primary side signal sampled this time, and performs feedback control of a control signal so that a predetermined signal of the secondary side rectifier circuit becomes constant.
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